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经营范围
发明名称
Water insoluble resinous condensation products of semicarbazide with formaldehyde
摘要
申请公布号
US2308696(A)
申请公布日期
1943.01.19
申请号
US19400352617
申请日期
1940.08.14
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
JOHNSTON FREDERICK L.
分类号
C08G12/14
主分类号
C08G12/14
代理机构
代理人
主权项
地址
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